
Kelsey Piper
Contributing editor
Latest articles by Kelsey Piper


Hint: It’s not whether an autonomous car should choose to hit a person or a dog.


Almost all the gains in human well-being in history happened since the Industrial Revolution.


Voters chose to require more space for farmed animals and to end commercial greyhound racing.


Animal welfare, stalled in the legislature, could make major progress at the ballot box.


Here’s the thing: The risk from AI isn’t just a weird worry of Elon Musk.


Brown is joining the team behind the Doomsday Clock, which combats existential risks to humanity.


A Twitter thread on winning millions kicked off a thought-provoking conversation about philanthropy and privilege.

The startup accelerator Y Combinator is diving into carbon-removal research. Here are the wild technologies they’re looking to invest in.

Here’s what experts in managing risks to human civilization think we should be doing instead.


And, no, they aren’t the cause of overfishing in Africa.
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